Home / 8,868.44-13,288.02-3,930.68

Finding the Fourth Proportional to 8,868.44, 13,288.02 and 3,930.68

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Solution

The fourth proportional to 8,868.44, 13,288.02 and 3,930.68 is: 5,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.44 : 13,288.02 = 3,930.68 : x
  2. Step 2: Convert to fraction form
    8,868.44/13,288.02 = 3,930.68/x
  3. Step 3: Cross multiply
    8,868.44x = 13,288.02 × 3,930.68
  4. Step 4: Simplify right side
    8,868.44x = 52,230,954.45
  5. Step 5: Solve for x
    x = 52,230,954.45/8,868.44
  6. Step 6: Final answer
    x = 5,889.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.